[INFO] fetching crate doze_clap 0.1.0...
[INFO] testing doze_clap-0.1.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate doze_clap 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate doze_clap 0.1.0
[INFO] finished tweaking crates.io crate doze_clap 0.1.0
[INFO] tweaked toml for crates.io crate doze_clap 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate doze_clap 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate doze_clap 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded doze_plugin v0.1.0
[INFO] [stderr]   Downloaded doze_common v0.1.0
[INFO] [stderr]   Downloaded midi-consts v0.1.0
[INFO] [stderr]   Downloaded clap-sys v0.5.0
[INFO] [stderr]   Downloaded heapless v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4f112b016558b5abe49c70873fa1e136018e9e10fdcef3ed2f74d4c486e148f6
[INFO] running `Command { std: "docker" "start" "4f112b016558b5abe49c70873fa1e136018e9e10fdcef3ed2f74d4c486e148f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f112b016558b5abe49c70873fa1e136018e9e10fdcef3ed2f74d4c486e148f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4f112b016558b5abe49c70873fa1e136018e9e10fdcef3ed2f74d4c486e148f6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f112b016558b5abe49c70873fa1e136018e9e10fdcef3ed2f74d4c486e148f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4f112b016558b5abe49c70873fa1e136018e9e10fdcef3ed2f74d4c486e148f6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapless v0.9.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling midi-consts v0.1.0
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling clap-sys v0.5.0
[INFO] [stderr]    Compiling rapidhash v4.4.1
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling derive_more v2.1.1
[INFO] [stderr]    Compiling doze_common v0.1.0
[INFO] [stderr]    Compiling doze_plugin v0.1.0
[INFO] [stderr]    Compiling doze_clap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `doze_clap` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4f112b016558b5abe49c70873fa1e136018e9e10fdcef3ed2f74d4c486e148f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f112b016558b5abe49c70873fa1e136018e9e10fdcef3ed2f74d4c486e148f6", kill_on_drop: false }`
[INFO] [stdout] 4f112b016558b5abe49c70873fa1e136018e9e10fdcef3ed2f74d4c486e148f6
